CN203622853U - Double-support block die cavity angle ejection mechanism for injection molding die - Google Patents
Double-support block die cavity angle ejection mechanism for injection molding die Download PDFInfo
- Publication number
- CN203622853U CN203622853U CN201320610810.XU CN201320610810U CN203622853U CN 203622853 U CN203622853 U CN 203622853U CN 201320610810 U CN201320610810 U CN 201320610810U CN 203622853 U CN203622853 U CN 203622853U
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- China
- Prior art keywords
- subplate
- die cavity
- pin
- thimble
- retainner plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-support block die cavity angle ejection mechanism for an injection molding die. The mechanism comprises an upper die subplate and a lower die subplate, wherein a die cavity is arranged below the upper subplate; a support block is arranged on the lower subplate; a die core is arranged on the support block; an injection-molded plastic part is arranged between the die core and the die cavity; reverse buckles are arranged on the surface of the plastic part; an ejector pin subplate and an ejector pin plate are arranged on the lower subplate; ejector pins are connected to the ejector pin plate, and penetrate through the die core to contact with the bottom surface of the plastic part; a die cavity subplate is arranged below the upper subplate; an upper support block is arranged between the die cavity subplate and the die cavity; an upper ejector pin subplate and an upper ejector pin plate are arranged in the upper support block; a nitrogen spring is arranged below the die cavity subplate, and is connected with the upper ejector pin subplate and the upper ejector pin plate; an angle ejector sliding seat is arranged below the upper ejector pin plate; angle ejector rods are connected to the lower part of the angle ejector sliding seat; the head parts of the angle ejector rods penetrate through the die cavity to be matched with the reverse buckles on the upper surface of the plastic part.
Description
Technical field
The utility model relates to a kind of injection mold bimodulus pin die cavity pitched roof mechanism, belongs to injection mold field.
Background technology
Adopt injection mold to produce plastic product (plastic), in the time that the cavity side (being the outer surface of plastic) of plastic is provided with the structures such as back-off (barb), conventional art is that plastic is upside down in mould, adopt slide block or in the pulled core structure such as take out and carry out the demoulding and eject, but, when encounter mould inside structure cannot arrange slide block or in while the pulled core structure such as taking out, just cannot adopt injection mold to carry out disposable production, therefore, often pass through secondary injection molding, the product of secondary injection molding produces piece line on surface, product shape is not attractive in appearance, and production cost increases.
Summary of the invention
The purpose of this utility model is the shortcoming in order to overcome prior art, the nondeterministic statements such as a kind of plastic does not deform, displacement are provided, reduce piece line, the outer surface of plastic attractive in appearance to greatest extent, the demoulding is simultaneously reliable, the injection mold bimodulus pin die cavity pitched roof mechanism that production cost is economized.
The technical scheme of the utility model injection mold bimodulus pin die cavity pitched roof mechanism is: comprise subplate and lower subplate on mould, under upper subplate, die cavity is installed, on lower subplate, mould pin is installed, on mould pin, core is installed, between core and die cavity, there is the plastic of injection mo(u)lding, the upper surface of plastic is shaped with back-off, on lower subplate, thimble subplate and ejector retainner plate are set, connecting ejector pin on ejector retainner plate, thimble contacts with the bottom surface of plastic through core, it is characterized in that, under described upper subplate, die cavity subplate is installed, patrix pin is installed between die cavity subplate and die cavity, thimble subplate and upper ejector retainner plate are set in patrix pin, under die cavity subplate, nitrogen spring is installed, nitrogen spring connects upper thimble subplate and upper ejector retainner plate, under upper ejector retainner plate, oblique-top sliding seat is installed, under oblique-top sliding seat, connect angle ejector rod, the head of angle ejector rod matches with the upper surface back-off of plastic through die cavity.
Injection mold bimodulus pin die cavity pitched roof mechanism of the present utility model, when after plastic injection mo(u)lding, mould die sinking, mold cores part is operation downwards under injection machine power, plastic is arranged in core, simultaneously, nitrogen spring work, drive upper plate subplate and upper ejector retainner plate to eject downwards, upper ejector retainner plate drives angle ejector rod to eject downwards, and slide laterally under the effect of oblique-top sliding seat, disengage with the back-off of plastic upper surface, then nitrogen spring quits work, mold cores part continues operation downwards, and drive on thimble subplate and ejector retainner plate and push up under injection machine dynamic action, ejector retainner plate drives thimble by outside plastic ejection die, the plastic demoulding completes.This programme arranges pitched roof mechanism in the cavity side of mould, simple in structure, having stable behavior, reliable, the upper surface back-off of plastic is deviate from smoothly, and single injection-molded, has overcome the splicing seams that prior art exists, the shortcomings such as plastic distortion, plastic is aesthetic in appearance, and class is high.
Injection mold bimodulus pin die cavity pitched roof mechanism of the present utility model, installs column under described die cavity subplate, and upper thimble subplate and upper ejector retainner plate are arranged on column, have had column, and upper thimble subplate and upper plate arrange steadily.Under described die cavity subplate, be equipped with cushion block, cushion block matches with upper thimble subplate, and cushion block is to upper its support of thimble subplate and position-limiting action.On described die cavity, be equipped with limited block, limited block matches with upper ejector retainner plate, and limited block plays position-limiting action to upper ejector retainner plate, prevents ejector retainner plate and die cavity collision.Under described die cavity subplate, be equipped with top plate guide post, top plate guide post is connected die cavity through upper thimble subplate with upper ejector retainner plate, and top plate guide post play the guiding role in the time ejecting motion to upper thimble subplate and upper ejector retainner plate, and thimble subplate and upper ejector retainner plate are ejected steadily.
Accompanying drawing explanation
Fig. 1 is the utility model injection mold bimodulus pin die cavity pitched roof mechanism structural representation.
The specific embodiment
The utility model relates to a kind of injection mold bimodulus pin die cavity pitched roof mechanism, as shown in Figure 1, comprise subplate 1 and lower subplate 11 on mould, die cavity 6 is installed under upper subplate, on lower subplate, mould pin 8 is installed, core 7 is installed on mould pin, between core and die cavity, there is the plastic 20 of injection mo(u)lding, the upper surface of plastic is shaped with back-off 21, thimble subplate 10 and ejector retainner plate 9 are set on lower subplate 11, connecting ejector pin 22 on ejector retainner plate, thimble contacts with the bottom surface of plastic through core 7, it is characterized in that 1 time installation die cavity subplate 2 of described upper subplate, between die cavity subplate 2 and die cavity 6, patrix pin 5 is installed, thimble subplate 3 and upper ejector retainner plate 4 are set in patrix pin, die cavity subplate is installed nitrogen spring 12 2 times, nitrogen spring 12 connects upper thimble subplate 3 and upper ejector retainner plate 4, upper ejector retainner plate is installed oblique-top sliding seat 16 4 times, under oblique-top sliding seat, connect angle ejector rod 17, the head of angle ejector rod matches with the upper surface back-off 21 of plastic through die cavity.When after plastic 20 injection mo(u)ldings, mould die sinking, mold cores part is operation downwards under injection machine power, plastic 20 is arranged in core 7, simultaneously, nitrogen spring 12 is worked, drive upper plate subplate 3 and upper ejector retainner plate 4 to eject downwards, upper ejector retainner plate 4 drives angle ejector rod 17 to eject downwards, and slide laterally under the effect of oblique-top sliding seat 16, disengage with the back-off 21 of plastic upper surface, then nitrogen spring 12 quits work, mold cores part continues operation downwards, and under injection machine dynamic action, drive on thimble subplate 10 and ejector retainner plate 9 top, ejector retainner plate 9 drives thimble 22 by outside plastic 20 ejection dies, the plastic demoulding completes.This programme arranges pitched roof mechanism in the cavity side of mould, simple in structure, having stable behavior, reliable, the upper surface back-off of plastic is deviate from smoothly, and single injection-molded, has overcome the splicing seams that prior art exists, the shortcomings such as plastic distortion, plastic is aesthetic in appearance, and class is high.Described 2 times installation columns 18 of die cavity subplate, upper thimble subplate 3 and upper ejector retainner plate 4 are arranged on column 18, have had column, and upper thimble subplate and upper plate arrange steadily.Described die cavity subplate is equipped with cushion block 13 2 times, and cushion block 13 matches with upper thimble subplate 3, and cushion block is to upper its support of thimble subplate and position-limiting action.On described die cavity 6, be equipped with limited block 15, limited block 15 matches with upper ejector retainner plate 4, and limited block 15 plays position-limiting action to upper ejector retainner plate, prevents ejector retainner plate and die cavity collision.Described die cavity subplate is equipped with top plate guide post 14 2 times, top plate guide post 14 is connected die cavity 6 through upper thimble subplate 3 with upper ejector retainner plate 4, top plate guide post play the guiding role in the time ejecting motion to upper thimble subplate and upper ejector retainner plate, and thimble subplate and upper ejector retainner plate are ejected steadily.
Claims (5)
1. injection mold bimodulus pin die cavity pitched roof mechanism, comprise subplate on mould (1) and lower subplate (11), die cavity (6) is installed under upper subplate, mould pin (8) is installed on lower subplate, core (7) is installed on mould pin, between core and die cavity, there is the plastic (20) of injection mo(u)lding, the upper surface of plastic is shaped with back-off (21), thimble subplate (10) and ejector retainner plate (9) are set on lower subplate (11), connecting ejector pin on ejector retainner plate (22), thimble contacts with the bottom surface of plastic through core (7), it is characterized in that the lower die cavity subplate (2) of installing of described upper subplate (1), between die cavity subplate (2) and die cavity (6), patrix pin (5) is installed, thimble subplate (3) and upper ejector retainner plate (4) are set in patrix pin, the lower nitrogen spring (12) of installing of die cavity subplate (2), thimble subplate (3) and upper ejector retainner plate (4) in nitrogen spring (12) connection, the lower oblique-top sliding seat (16) of installing of upper ejector retainner plate (4), under oblique-top sliding seat, connect angle ejector rod (17), the head of angle ejector rod matches with the upper surface back-off (21) of plastic through die cavity.
2. injection mold bimodulus pin die cavity pitched roof mechanism as claimed in claim 1, is characterized in that the lower installation column (18) of described die cavity subplate (2), and upper thimble subplate (3) and upper ejector retainner plate (4) are arranged on column (18).
3. injection mold bimodulus pin die cavity pitched roof mechanism as claimed in claim 1, is characterized in that being equipped with cushion block (13) under described die cavity subplate (2), and cushion block (13) matches with upper thimble subplate (3).
4. injection mold bimodulus pin die cavity pitched roof mechanism as claimed in claim 1, is characterized in that being equipped with limited block (15) on described die cavity (6), and limited block (15) matches with upper ejector retainner plate (4).
5. injection mold bimodulus pin die cavity pitched roof mechanism as claimed in claim 1, is characterized in that being equipped with top plate guide post (14) under described die cavity subplate (2), and top plate guide post (14) is connected die cavity (6) through upper thimble subplate (3) with upper ejector retainner plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610810.XU CN203622853U (en) | 2013-09-30 | 2013-09-30 | Double-support block die cavity angle ejection mechanism for injection molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610810.XU CN203622853U (en) | 2013-09-30 | 2013-09-30 | Double-support block die cavity angle ejection mechanism for injection molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203622853U true CN203622853U (en) | 2014-06-04 |
Family
ID=50809367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320610810.XU Expired - Fee Related CN203622853U (en) | 2013-09-30 | 2013-09-30 | Double-support block die cavity angle ejection mechanism for injection molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203622853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941362A (en) * | 2018-09-27 | 2018-12-07 | 奥克斯空调股份有限公司 | Nitrogen gas spring liftout attachment and die assembly |
| US10508867B2 (en) | 2015-05-28 | 2019-12-17 | Dometic Sweden Ab | Corrosion resistant coaxial heat exchanger assembly |
-
2013
- 2013-09-30 CN CN201320610810.XU patent/CN203622853U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10508867B2 (en) | 2015-05-28 | 2019-12-17 | Dometic Sweden Ab | Corrosion resistant coaxial heat exchanger assembly |
| CN108941362A (en) * | 2018-09-27 | 2018-12-07 | 奥克斯空调股份有限公司 | Nitrogen gas spring liftout attachment and die assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20160930 |